package com.macro.mall.portal.service.impl;


import cn.hutool.core.codec.Base64;
import com.macro.mall.common.api.CommonResult;
import com.macro.mall.mapper.OmsOrderItemMapper;
import com.macro.mall.mapper.OmsOrderMapper;
import com.macro.mall.model.OmsOrder;
import com.macro.mall.portal.domain.RequestData;
import com.macro.mall.portal.service.AddressService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Service
@Slf4j
public class AddressServiceImpl implements AddressService {

    private static final String EBusinessID="1870528";//即用户ID，登录快递鸟官网会员中心获取 https://www.kdniao.com/UserCenter/v4/UserHome.aspx

    private static final String ApiKey="0e3ae369-fd9c-4dca-8dbf-d5a54cc3142e";//即API key，登录快递鸟官网会员中心获取 https://www.kdniao.com/UserCenter/v4/UserHome.aspx
    //请求url, 正式环境地址
    private static final String ReqURL="https://api.kdniao.com/Ebusiness/EbusinessOrderHandle.aspx";
    @Autowired
    private OmsOrderMapper orderMapper;
    @Autowired
    private OmsOrderItemMapper orderItemMapper;
    public static String getShipperCode(String shipperCode) {
        if ("中通快递".equals(shipperCode)){
            return "ZTO";
        } else if ("圆通快递".equals(shipperCode)){
            return "YTO";
        } else if ("申通快递".equals(shipperCode)){
            return "STO";
        } else if ("韵达快递".equals(shipperCode)){
            return "YUNDA";
        } else if ("顺丰快递".equals(shipperCode)){
            return "SF";
        } else if ("百世快递".equals(shipperCode)){
            return "BEST";
        } else if ("邮政快递".equals(shipperCode)){
            return "EMS";
        } else if ("德邦快递".equals(shipperCode)){
            return "DEPPON";
        } else {
            return null;
        }

    }

    /**
     * MD5加密
     * str 内容
     * charset 编码方式
     * @throws Exception
     */
    @SuppressWarnings("unused")
    private String MD5(String str,String charset) throws Exception {
        MessageDigest md = MessageDigest.getInstance("MD5");
        md.update(str.getBytes(charset));
        byte[] result = md.digest();
        StringBuffer sb = new StringBuffer(32);
        for (int i = 0; i < result.length; i++) {
            int val = result[i] & 0xff;
            if (val <= 0xf) {
                sb.append("0");
            }
            sb.append(Integer.toHexString(val));
        }
        return sb.toString().toLowerCase();
    }

    /**
     * base64编码
     * str 内容
     * charset 编码方式
     * @throws UnsupportedEncodingException
     */
    private String base64(String str, String charset) throws UnsupportedEncodingException{
        String encoded = Base64.encode(str.getBytes(charset));
        return encoded;
    }

    @SuppressWarnings("unused")
    private String urlEncoder(String str, String charset) throws UnsupportedEncodingException{
        String result = URLEncoder.encode(str, charset);
        return result;
    }

    /**
     * 订单地址查询
     */
    @Override
    public CommonResult<String> selAddrss(Integer id) {
        try {
            RequestData requestData = new RequestData();
            //查询购物车表
            List<OmsOrder> orderList = orderMapper.selectByExamplebyid(id);

            orderList.forEach(p->{
                //获取 收货人信息
                requestData.setCustomerName(p.getReceiverPhone());
                requestData.setLogisticCode(p.getOrderSn());
                requestData.setShipperCode(p.getDeliveryCompany());
            });

                String shipperCode = getShipperCode(requestData.getShipperCode());
                if (shipperCode==null){
                    return CommonResult.failed("快递公司编码不存在");
                }
                String customerName = getCustomerName(requestData.getCustomerName());

                System.out.println("订阅请求body:" + shipperCode);
                // 组装应用级参数
                String RequestData= "{"+
                        "'Callback':'',"+
                        "'ShipperCode':'"+shipperCode+"',"+//快递公司编码
                        "'LogisticCode':'"+requestData.getLogisticCode()+"',"+//快递单号1   2
                        "'CustomerName':'"+customerName+"',"+//收货人手机号后四位
                        "}";
                // 组装系统级参数
                Map<String,String> params = new HashMap<String,String>();
                params.put("RequestData", urlEncoder(RequestData, "UTF-8"));
                params.put("EBusinessID", EBusinessID);
                params.put("RequestType", "8001");//免费订阅接口指令1008/在途监控订阅接口指令8008/地图版订阅接口指令8005
                String dataSign=encrypt(RequestData, ApiKey, "UTF-8");
                params.put("DataSign", urlEncoder(dataSign, "UTF-8"));
                params.put("DataType", "2");
                // 以form表单形式提交post请求，post请求体中包含了应用级参数和系统级参数
                String result=sendPost(ReqURL, params);

                //根据公司业务处理返回的信息......
                return CommonResult.success(result);
            }catch (Exception e){
                throw new RuntimeException(e);
            }

    }

    /**
     * 电商Sign签名生成
     * content 内容
     * keyValue ApiKey
     * charset 编码方式
     * @throws UnsupportedEncodingException ,Exception
     * @return DataSign签名
     */
    @SuppressWarnings("unused")
    private  String encrypt (String content,String keyValue,String charset) throws Exception
    {
        if (keyValue != null)
        {
            return base64(MD5(content + keyValue, charset), charset);
        }
        return base64(MD5(content, charset), charset);
    }


    public static String getCustomerName(String companyName){
        String lastFourDigits = companyName.substring(companyName.length() - 4);
        return lastFourDigits;
    }

    /**
     * 向指定 URL 发送POST方法的请求
     * url 发送请求的 URL
     * params 请求的参数集合
     * @return 远程资源的响应结果
     */
    @SuppressWarnings("unused")
    private  String sendPost(String url, Map<String,String> params) {
        OutputStreamWriter out = null;
        BufferedReader in = null;
        StringBuilder result = new    StringBuilder();
        try {
            URL realUrl = new URL(url);
            HttpURLConnection conn =(HttpURLConnection) realUrl.openConnection();
            // 发送POST请求必须设置如下两行
            conn.setDoOutput(true);
            conn.setDoInput(true);
            // POST方法
            conn.setRequestMethod("POST");
            // 设置通用的请求属性
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
            conn.connect();
            // 获取URLConnection对象对应的输出流
            out = new OutputStreamWriter(conn.getOutputStream(), StandardCharsets.UTF_8);
            // 发送请求参数
            if (params != null) {
                StringBuilder param = new    StringBuilder();
                for (Map.Entry<   String,    String> entry : params.entrySet()) {
                    if(param.length()>0){
                        param.append("&");
                    }
                    param.append(entry.getKey());
                    param.append("=");
                    param.append(entry.getValue());
                    System.out.println(entry.getKey()+":"+entry.getValue());
                }
                System.out.println("param:"+ param);
                out.write(param.toString());
            }
            // flush输出流的缓冲
            out.flush();
            // 定义BufferedReader输入流来读取URL的响应
            in = new BufferedReader(
                    new InputStreamReader(conn.getInputStream(), StandardCharsets.UTF_8));
            String line;
            while ((line = in.readLine()) != null) {
                result.append(line);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        //使用finally块来关闭输出流、输入流
        finally{
            try{
                if(out!=null){
                    out.close();
                }
                if(in!=null){
                    in.close();
                }
            }
            catch(IOException ex){
                ex.printStackTrace();
            }
        }
        return result.toString();
    }
}
